1903
U.S. Lake Survey
1:120k
1909
US NAVY HYDROGRAPHIC OFFICE
1:279k
1851
SMITH, William Henry of Toronto
1851
SMITH, William Henry of Toronto
1857
Bouchette, Joseph Jun.
1:253k
1901
Cram, George
1:907k
1967
NOS Lake Survey Center
1:500k
1899
Cram, George Franklin, 1841-1928
1:880k
1939
Rand McNally and Company
1:1m
1879
Rand McNally and Company
1:1m